This is the most in-depth visualization of the Earth's outer core to date.
Africa is expected to have the most population growth through 2050.
Hidden volcanoes and greenhouse gases mean if you were standing on the Venusian surface it would be like swimming 1,000 metres below sea level—if the ocean was scorching hot.
Space probes have found a barrier resulting from low frequency radio waves which could shield us from geomagnetic storms.
A former NASA climate scientist says the “young people’s burden” is spreading like cancer.
In just 2,000 years, we’ve burned up 400 million years-worth of fossil fuels.
Soon we’ll get regular installments of images that capture the sunlit side of the planet.
The International Rosetta Mission made history Wednesday when a small robotic lander will attempt to touch down on a comet for the first time.